A. soon B. salmonella C. campfire D. invasion A. involve B. always C. leaky D. bookcase A. jar B. time C. wit D. news shows A. there are B. plaster C. awkward D. mascot A. grandparent B. science C. Mars D. bin A. talk B. tea art C. marble D. exhausted A. universal B. mother tongue C. fast asleep D. linguist A. key B. fall in love C. trader D. dare modal A. little B. implication C. make a snowman D. husband A. dust B. slaughter C. the Potala Palace D. know